291842720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:335

約数の個数: 144

約数和(自身を含む): 767001312

約数和(自身を除く): 475158592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 65, 80, 86, 104, 130, 160, 169, 172, 208, 215, 251, 260, 338, 344, 416, 430, 502, 520, 559, 676, 688, 845, 860, 1004, 1040, 1118, 1255, 1352, 1376, 1690, 1720, 2008, 2080, 2236, 2510, 2704, 2795, 3263, 3380, 3440, 4016, 4472, 5020, 5408, 5590, 6526, 6760, 6880, 7267, 8032, 8944, 10040, 10793, 11180, 13052, 13520, 14534, 16315, 17888, 20080, 21586, 22360, 26104, 27040, 29068, 32630, 36335, 40160, 42419, 43172, 44720, 52208, 53965, 58136, 65260, 72670, 84838, 86344, 89440, 104416, 107930, 116272, 130520, 140309, 145340, 169676, 172688, 212095, 215860, 232544, 261040, 280618, 290680, 339352, 345376, 424190, 431720, 522080, 561236, 581360, 678704, 701545, 848380, 863440, 1122472, 1162720, 1357408, 1403090, 1696760, 1726880, 1824017, 2244944, 2806180, 3393520, 3648034, 4489888, 5612360, 6787040, 7296068, 9120085, 11224720, 14592136, 18240170, 22449440, 29184272, 36480340, 58368544, 72960680, 145921360, 291842720]

約数ペア:

[(1, 291842720), (2, 145921360), (4, 72960680), (5, 58368544), (8, 36480340), (10, 29184272), (13, 22449440), (16, 18240170), (20, 14592136), (26, 11224720), (32, 9120085), (40, 7296068), (43, 6787040), (52, 5612360), (65, 4489888), (80, 3648034), (86, 3393520), (104, 2806180), (130, 2244944), (160, 1824017), (169, 1726880), (172, 1696760), (208, 1403090), (215, 1357408), (251, 1162720), (260, 1122472), (338, 863440), (344, 848380), (416, 701545), (430, 678704), (502, 581360), (520, 561236), (559, 522080), (676, 431720), (688, 424190), (845, 345376), (860, 339352), (1004, 290680), (1040, 280618), (1118, 261040), (1255, 232544), (1352, 215860), (1376, 212095), (1690, 172688), (1720, 169676), (2008, 145340), (2080, 140309), (2236, 130520), (2510, 116272), (2704, 107930), (2795, 104416), (3263, 89440), (3380, 86344), (3440, 84838), (4016, 72670), (4472, 65260), (5020, 58136), (5408, 53965), (5590, 52208), (6526, 44720), (6760, 43172), (6880, 42419), (7267, 40160), (8032, 36335), (8944, 32630), (10040, 29068), (10793, 27040), (11180, 26104), (13052, 22360), (13520, 21586), (14534, 20080), (16315, 17888)]